whewww.... coming down a hill at almost 60kmh during rush hour traffic, I heard a "thuck" coming from the real wheel... did not gave it much thought as the road had just been paved last week. Then it started to wobble as the descent is bending to the right.. as I lean the bike, I can here the sound of the rim grinding the road. Damn! I started to panic and tried to unclip... can be rather difficult when at the same time trying to stabilise the bike.. As I managed to unclipped, I straight away uses both legs to slow down and to control the bike while slowly moving to the side of the road and came to a complete stop.

What a relief. Can't think what might happen if I couldn't unclip in time. Might have been splattered in the middle of the road praying for cars not to hit me. A I calmed down, saw the tube had been slashed open by the rim. Not a big deal I think as I have a spare.... but no .... as I took off the pump head I heard a hissing noise.... argh.. the presta valve snapped... now I'm left with no tube at all.

So had to push all the way back to my house and took the motorcycle to work.

From the near crash, it got me thinking and have come to these conclusion:

1) Not to clipped in during a high speed descent during rush hour traffic (I got platform attached to one side of the clipless pedal just today)

2) to get a larger tyres for the rear. Now I'm using 23c. I reckon with my weight of 210 lbs and a full bag on the rear rack, the tyre just could not help but to pinch flat ( I pumped 105 psi for the rear wheel before the commute this morning)

whewww....

that will pucker up your sphincter!!! im glad your OK man

I guess you should try a 25c or try 120psi for the rear
maybe 105psi (probably drops another 5psi when you pull off the pump) for 210lbs + bag + rack was too low.

for the record... which tyre?

hehehe... maybe my mistake though, its an IRC Redstorm the road racing version (red colour). It was used by the Japan team during Tour de Langkawi in Malaysia. A neighbour to my officemate was in charged of taking care of the team. So once the tour ended it was given as souvenir to him. Since both of them do not have a roadbike, the tyres were passed to me. Grips well though. Good for the road even when it is wet, but maybe not suitable for heavy load.